Speaking to Entertainment Tonight, a source shared that Valderrama was “shattered” by the news of Lovato’s overdose.

“Even after they broke up, they continued to be very good friend,” the source said. “They have mutual admiration for each other and he has and will always believe in her. He’s watched her fall and has seen her rise.”

Valderrama and Lovato dated between for six years after meeting on set during the filming of a PSA. The couple split in 2016 and released a statement via social media acknowledging their breakup: "This was an incredibly difficult decision for both of us, but we have realized more than anything that we are better as best friends. We will always be supportive of one another."